我正在尝试通过InfluxDB实例将指标报告合并到我的Vertx应用程序中。但是,当我尝试正常结束我的应用程序时,某处有一个挂起的线程。我设法将其跟踪到InfluxDB连接以进行vertx的指标报告,或者看起来如此,但是我没有找到杀死它的方法。谁能指出我正确的方向?一个最小的工作示例(如果禁用指标,则应用程序会正常完成,否则将挂起):import io.vertx.core.Vertx;import io.vertx.core.VertxOptions;import io.vertx.micrometer.MicrometerMetricsOptions;import io.vertx.micrometer.VertxInfluxDbOptions;import io.vertx.micrometer.backends.BackendRegistries;public class MWE { public static void main(String[] args) { //setting up the metric options for influxdb. seems to work in MWE without credentials MicrometerMetricsOptions metricsOptions = new MicrometerMetricsOptions() .setRegistryName("data-client") .setInfluxDbOptions(new VertxInfluxDbOptions() //disabling this would make sure the application _does_ gracefully exit .setEnabled(true) ) .setEnabled(true); //setting up the vertx instance Vertx vertx = Vertx.vertx( new VertxOptions() .setMetricsOptions(metricsOptions) .setWorkerPoolSize(50) ); //stop vertx after a second vertx.setTimer(1000, timerID -> { //closing the vertx instance vertx.close(result -> System.out.println("Vertx was closed.")); //closing the registry of metrics to influxdb BackendRegistries.getNow("data-client").close(); System.out.println("Closed everything"); }); System.out.println("Done with main"); }}
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